support running tests when building inside the source tree on windows
support running tests when building inside the source tree on windows

rdkit/rdkit,jandom/rdkit,strets123/rdkit,adalke/rdkit,greglandrum/rdkit,adalke/rdkit,adalke/rdkit,rdkit/rdkit,rdkit/rdkit,greglandrum/rdkit,adalke/rdkit,ptosco/rdkit,ptosco/rdkit,AlexanderSavelyev/rdkit,soerendip42/rdkit,rvianello/rdkit,AlexanderSavelyev/rdkit,ptosco/rdkit,rdkit/rdkit,strets123/rdkit,greglandrum/rdkit,soerendip42/rdkit,rvianello/rdkit,rvianello/rdkit,strets123/rdkit,ptosco/rdkit,ptosco/rdkit,jandom/rdkit,soerendip42/rdkit,rdkit/rdkit,soerendip42/rdkit,rvianello/rdkit,greglandrum/rdkit,rvianello/rdkit,AlexanderSavelyev/rdkit,strets123/rdkit,soerendip42/rdkit,AlexanderSavelyev/rdkit,rvianello/rdkit,greglandrum/rdkit,rdkit/rdkit,jandom/rdkit,jandom/rdkit,bp-kelley/rdkit,adalke/rdkit,bp-kelley/rdkit,bp-kelley/rdkit,bp-kelley/rdkit,rvianello/rdkit,AlexanderSavelyev/rdkit,jandom/rdkit,strets123/rdkit,jandom/rdkit,strets123/rdkit,bp-kelley/rdkit,AlexanderSavelyev/rdkit,adalke/rdkit,AlexanderSavelyev/rdkit,rdkit/rdkit,greglandrum/rdkit,jandom/rdkit,adalke/rdkit,AlexanderSavelyev/rdkit,bp-kelley/rdkit,adalke/rdkit,soerendip42/rdkit,ptosco/rdkit,rvianello/rdkit,jandom/rdkit,ptosco/rdkit,strets123/rdkit,greglandrum/rdkit,soerendip42/rdkit,greglandrum/rdkit,bp-kelley/rdkit,soerendip42/rdkit,bp-kelley/rdkit,ptosco/rdkit,AlexanderSavelyev/rdkit,strets123/rdkit,rdkit/rdkit